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/* GStreamer AIFF parser
* Copyright (C) <2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_AIFF_PARSE_H__
#define __GST_AIFF_PARSE_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_AIFF_PARSE \
(gst_aiff_parse_get_type())
#define GST_AIFF_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AIFF_PARSE,GstAiffParse))
#define GST_AIFF_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AIFF_PARSE,GstAiffParseClass))
#define GST_IS_AIFF_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AIFF_PARSE))
#define GST_IS_AIFF_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AIFF_PARSE))
typedef enum {
AIFF_PARSE_START,
AIFF_PARSE_HEADER,
AIFF_PARSE_DATA
} GstAiffParseState;
typedef struct _GstAiffParse GstAiffParse;
typedef struct _GstAiffParseClass GstAiffParseClass;
/**
* GstAiffParse:
*
* Opaque data structure.
*/
struct _GstAiffParse {
GstElement parent;
/*< private >*/
GstPad *sinkpad;
GstPad *srcpad;
GstEvent *close_segment;
GstEvent *start_segment;
/* AIFF decoding state */
GstAiffParseState state;
/* format of audio, see defines below */
gint format;
gboolean is_aifc;
/* useful audio data */
guint32 rate;
guint16 channels;
guint16 width;
guint16 depth;
guint32 endianness;
gboolean floating_point;
/* real bytes per second used or 0 when no bitrate is known */
guint32 bps;
guint bytes_per_sample;
guint32 total_frames;
guint32 ssnd_offset;
guint32 ssnd_blocksize;
/* position in data part */
guint64 offset;
guint64 end_offset;
guint64 dataleft;
/* offset/length of data part */
guint64 datastart;
guint64 datasize;
/* duration in time */
guint64 duration;
/* pending seek */
GstEvent *seek_event;
/* For streaming */
GstAdapter *adapter;
gboolean got_comm;
gboolean streaming;
/* configured segment, start/stop expressed in time */
GstSegment segment;
gboolean segment_running;
/* discont after seek */
gboolean discont;
/* tags */
GstTagList *tags;
};
struct _GstAiffParseClass {
GstElementClass parent_class;
};
GType gst_aiff_parse_get_type(void);
G_END_DECLS
#endif /* __GST_AIFF_PARSE_H__ */
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